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The Origin of Australian Opal Deposits: Unlocking the Secrets of an Australian Icon. Opal is the National Gemstone of Australia. With over 95% of world's precious opal being mined in Australia, this precious mineral is not only one of our major export earners but also the life blood of many central Australian townships. Despite its economic significance and long history of mining little is known about the formation of opal. Consequently, exploration is still based on old-fashioned prospecting me ....The Origin of Australian Opal Deposits: Unlocking the Secrets of an Australian Icon. Opal is the National Gemstone of Australia. With over 95% of world's precious opal being mined in Australia, this precious mineral is not only one of our major export earners but also the life blood of many central Australian townships. Despite its economic significance and long history of mining little is known about the formation of opal. Consequently, exploration is still based on old-fashioned prospecting methods rather than on genetic exploration models that have made base metal exploration so successful. The aim of this project is to investigate the processes controlling the formation of Australian opal and to use this information to construct an exploration model that will lead to more effective and efficient exploration methods.Read moreRead less
Understanding the deep mantle: experimental petrology at very high pressures. The great processes that shape the Earth at its surface, including plate tectonics and continental drift, can only be understood by appreciating how the interior of the Earth works. However, studying the deep Earth is difficult because of the enormous pressures and temperatures involved. This research proposes to simulate conditions in the Earth's lower mantle (that is, below 670 km in depth) by making use of an Austra ....Understanding the deep mantle: experimental petrology at very high pressures. The great processes that shape the Earth at its surface, including plate tectonics and continental drift, can only be understood by appreciating how the interior of the Earth works. However, studying the deep Earth is difficult because of the enormous pressures and temperatures involved. This research proposes to simulate conditions in the Earth's lower mantle (that is, below 670 km in depth) by making use of an Australian invented diamond-based ceramic, to double the pressure at which experiments can be performed. The information gained from this fundamental research will help predict how giant ore bodies form. The development of the high-pressure apparatus will also aid material scientists in their quest for novel materials.Read moreRead less
Australian Laureate Fellowships - Grant ID: FL130100066
Funder
Australian Research Council
Funding Amount
$3,187,712.00
Summary
Understanding the Earth: a perspective from the science of advanced materials. The study of the properties of naturally occurring minerals and magmas under extreme conditions of high temperature and pressure is needed, for understanding the geological processes responsible for our mineral wealth. The same methods can also lead to improved design of new materials required for technological applications.
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0560736
Funder
Australian Research Council
Funding Amount
$250,622.00
Summary
Centre for Particle Characterisation (North Queensland). The aim of this proposal is to establish a state-of-the-art research facility as part of a comprehensive material characterisation infrastructure required to support JCU's expanding activities in geology, oceanography, sustainable water research and nanotechnology. New instruments to measure attractive forces between particles, material density, porosity, surface area, and carbon, nitrogen, and sulphur content in conjunction with replacin ....Centre for Particle Characterisation (North Queensland). The aim of this proposal is to establish a state-of-the-art research facility as part of a comprehensive material characterisation infrastructure required to support JCU's expanding activities in geology, oceanography, sustainable water research and nanotechnology. New instruments to measure attractive forces between particles, material density, porosity, surface area, and carbon, nitrogen, and sulphur content in conjunction with replacing an old grain size analyser will provide advanced instrumentation for research across several Schools with a diversity of research priorities. The proposed facility will create new opportunities for collaborative programs with national and international researchers as well as foster industry partnership.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE160100155
Funder
Australian Research Council
Funding Amount
$648,000.00
Summary
NanoMin; Quantitative Mineral Mapping of Nanoscale Processes. NanoMin: quantitative mineral mapping of nanoscale processes:
The project seeks to establish an electron microscope-based mineral mapping and analysis facility to provide rapid, quantitative and statistically reliable mineralogical, petrographic and metallurgical data unobtainable by other means in fine-grained materials. The proposed equipment can identify minerals in complex mixtures of sub-µm-grain size materials by virtue of an i ....NanoMin; Quantitative Mineral Mapping of Nanoscale Processes. NanoMin: quantitative mineral mapping of nanoscale processes:
The project seeks to establish an electron microscope-based mineral mapping and analysis facility to provide rapid, quantitative and statistically reliable mineralogical, petrographic and metallurgical data unobtainable by other means in fine-grained materials. The proposed equipment can identify minerals in complex mixtures of sub-µm-grain size materials by virtue of an integrated software and hardware system called NanoMin which incorporates a spectral deconvolution engine combined with a mineral spectra database. A key limitation in understanding complex materials is sub-micron to nanometer scale spatial variability of mineralogical phases. Imaging and quantifying these phases is now possible with the NanoMin system. This promises to open up petrological, geobiological, and materials science research in complex fine-grained materials.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0775553
Funder
Australian Research Council
Funding Amount
$500,000.00
Summary
The Nanoscale Characterisation Centre WA Focussed Ion Beam Nanofabrication and Milling Facility. The advanced capabilities of the proposed nano-machining scanning electron microscope will facilitate research at the forefront of materials science and engineering. The proposed facility will play a key role in leading applied research across a wide range of areas including materials technology, nanochemistry, corrosion research, geology, sensor development, minerals processing and environmental re ....The Nanoscale Characterisation Centre WA Focussed Ion Beam Nanofabrication and Milling Facility. The advanced capabilities of the proposed nano-machining scanning electron microscope will facilitate research at the forefront of materials science and engineering. The proposed facility will play a key role in leading applied research across a wide range of areas including materials technology, nanochemistry, corrosion research, geology, sensor development, minerals processing and environmental research. The proposed facility to be used by scientific and industrial researchers will deliver applied interdisciplinary research of an international standard and allow Australian industries to remain internationally competitive.Read moreRead less
Developing a geophysically relevant conduction model for the upper mantle. The aim of this project is to develop a geophysically relevant proton conduction model for the Earth’s upper mantle. This would allow the robust interpretation of conductivity maps of the interior of the Earth and the discovery of major new mineral deposits. This advance is designed to be achieved through four major initiatives based on recently developed experimental and computational facilities. The project aims to deve ....Developing a geophysically relevant conduction model for the upper mantle. The aim of this project is to develop a geophysically relevant proton conduction model for the Earth’s upper mantle. This would allow the robust interpretation of conductivity maps of the interior of the Earth and the discovery of major new mineral deposits. This advance is designed to be achieved through four major initiatives based on recently developed experimental and computational facilities. The project aims to develop new methods for determining rock conductivities and subsurface mapping from combined datasets. This may provide new insights into the structure and dynamics of the upper mantle as well as providing key data necessary for a national effort aimed at re-establishing Australia as a primary target for mineral exploration.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE110100114
Funder
Australian Research Council
Funding Amount
$360,000.00
Summary
Nanoscale Characterisation Centre WA analytical electron microscope facility. This analytical facility for Western Australia will provide researchers with much needed access to new electron microscope instrumentation. The facility will support major research efforts in key disciplines, including minerals and mining, energy, engineering, nanotechnology, medical science, forensics, agriculture and animal science.
Finite Strain with large rotations: A new hybrid numerical/experimental approach. Deformation up to large strains and rotations is important in rocks, metals, polymers, and biomaterials. Computational mechanics is a standard tool for modelling such deformations. However, in earth sciences, mechanical theories use small-strain formulations or large-strain approaches with classical stress rates. Classical stress rates can lead to incorrect stored energies. This project proposes to test a new large ....Finite Strain with large rotations: A new hybrid numerical/experimental approach. Deformation up to large strains and rotations is important in rocks, metals, polymers, and biomaterials. Computational mechanics is a standard tool for modelling such deformations. However, in earth sciences, mechanical theories use small-strain formulations or large-strain approaches with classical stress rates. Classical stress rates can lead to incorrect stored energies. This project proposes to test a new large-strain theory tailored to rocks experimentally, and to apply it to a pivotal geological problem: shear zone formation. The project will advance our fundamental understanding of the mechanics and energetics of rock deformation and provide a novel tool for the modelling of large deformations.Read moreRead less